Commit | Line | Data |
---|---|---|
c6bb9baa DV |
1 | /* |
2 | * Copyright © 2012 Red Hat | |
3 | * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. | |
4 | * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. | |
5 | * Copyright (c) 2009-2010, Code Aurora Forum. | |
6 | * | |
7 | * Permission is hereby granted, free of charge, to any person obtaining a | |
8 | * copy of this software and associated documentation files (the "Software"), | |
9 | * to deal in the Software without restriction, including without limitation | |
10 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
11 | * and/or sell copies of the Software, and to permit persons to whom the | |
12 | * Software is furnished to do so, subject to the following conditions: | |
13 | * | |
14 | * The above copyright notice and this permission notice (including the next | |
15 | * paragraph) shall be included in all copies or substantial portions of the | |
16 | * Software. | |
17 | * | |
18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
21 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
22 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
23 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS | |
24 | * IN THE SOFTWARE. | |
25 | * | |
26 | * Authors: | |
27 | * Dave Airlie <airlied@redhat.com> | |
28 | * Rob Clark <rob.clark@linaro.org> | |
29 | * | |
30 | */ | |
31 | ||
32 | #ifndef __DRM_PRIME_H__ | |
33 | #define __DRM_PRIME_H__ | |
34 | ||
35 | #include <linux/mutex.h> | |
36 | #include <linux/rbtree.h> | |
a8f8b1d9 | 37 | #include <linux/scatterlist.h> |
c6bb9baa DV |
38 | |
39 | /** | |
40 | * struct drm_prime_file_private - per-file tracking for PRIME | |
41 | * | |
42 | * This just contains the internal &struct dma_buf and handle caches for each | |
43 | * &struct drm_file used by the PRIME core code. | |
44 | */ | |
c6bb9baa DV |
45 | struct drm_prime_file_private { |
46 | /* private: */ | |
47 | struct mutex lock; | |
48 | struct rb_root dmabufs; | |
49 | struct rb_root handles; | |
50 | }; | |
51 | ||
bebc1d55 LA |
52 | struct device; |
53 | ||
c6bb9baa DV |
54 | struct dma_buf_export_info; |
55 | struct dma_buf; | |
c308279f | 56 | struct dma_buf_attachment; |
7938f421 | 57 | struct iosys_map; |
c308279f SL |
58 | |
59 | enum dma_data_direction; | |
c6bb9baa DV |
60 | |
61 | struct drm_device; | |
62 | struct drm_gem_object; | |
63 | struct drm_file; | |
64 | ||
b283e92a DV |
65 | /* core prime functions */ |
66 | struct dma_buf *drm_gem_dmabuf_export(struct drm_device *dev, | |
67 | struct dma_buf_export_info *exp_info); | |
68 | void drm_gem_dmabuf_release(struct dma_buf *dma_buf); | |
69 | ||
70 | int drm_gem_prime_fd_to_handle(struct drm_device *dev, | |
71 | struct drm_file *file_priv, int prime_fd, uint32_t *handle); | |
91faa047 DV |
72 | int drm_gem_prime_handle_to_fd(struct drm_device *dev, |
73 | struct drm_file *file_priv, uint32_t handle, uint32_t flags, | |
74 | int *prime_fd); | |
7e491583 | 75 | |
b283e92a | 76 | /* helper functions for exporting */ |
a19741e5 | 77 | int drm_gem_map_attach(struct dma_buf *dma_buf, |
c308279f SL |
78 | struct dma_buf_attachment *attach); |
79 | void drm_gem_map_detach(struct dma_buf *dma_buf, | |
80 | struct dma_buf_attachment *attach); | |
81 | struct sg_table *drm_gem_map_dma_buf(struct dma_buf_attachment *attach, | |
82 | enum dma_data_direction dir); | |
83 | void drm_gem_unmap_dma_buf(struct dma_buf_attachment *attach, | |
84 | struct sg_table *sgt, | |
85 | enum dma_data_direction dir); | |
7938f421 LDM |
86 | int drm_gem_dmabuf_vmap(struct dma_buf *dma_buf, struct iosys_map *map); |
87 | void drm_gem_dmabuf_vunmap(struct dma_buf *dma_buf, struct iosys_map *map); | |
b283e92a DV |
88 | |
89 | int drm_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma); | |
c308279f | 90 | int drm_gem_dmabuf_mmap(struct dma_buf *dma_buf, struct vm_area_struct *vma); |
c6bb9baa | 91 | |
707d561f GH |
92 | struct sg_table *drm_prime_pages_to_sg(struct drm_device *dev, |
93 | struct page **pages, unsigned int nr_pages); | |
e4fa8457 | 94 | struct dma_buf *drm_gem_prime_export(struct drm_gem_object *obj, |
b283e92a DV |
95 | int flags); |
96 | ||
d46e7ae2 MS |
97 | unsigned long drm_prime_get_contiguous_size(struct sg_table *sgt); |
98 | ||
b283e92a DV |
99 | /* helper functions for importing */ |
100 | struct drm_gem_object *drm_gem_prime_import_dev(struct drm_device *dev, | |
101 | struct dma_buf *dma_buf, | |
102 | struct device *attach_dev); | |
103 | struct drm_gem_object *drm_gem_prime_import(struct drm_device *dev, | |
104 | struct dma_buf *dma_buf); | |
105 | ||
91faa047 | 106 | void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg); |
c6bb9baa | 107 | |
c67e6279 CK |
108 | int drm_prime_sg_to_page_array(struct sg_table *sgt, struct page **pages, |
109 | int max_pages); | |
110 | int drm_prime_sg_to_dma_addr_array(struct sg_table *sgt, dma_addr_t *addrs, | |
111 | int max_pages); | |
c6bb9baa DV |
112 | |
113 | #endif /* __DRM_PRIME_H__ */ |